Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 3955281 | Disposable dental tray for topical application of fluoride gel and other dental medications A disposable applicator tray, for topical application of fluoride gel and other dental medications, in the form of an arcuate mouthpiece having a U-shaped cross-section and comprised of flexible polymeric foam material. The interior channeled recess of th... | 05/11/1976 |
| 3943924 | Mouthpiece An athletic mouthpiece of a composite construction is provided which has a relatively flexible, shock absorbing material in which is permanently imbedded a relatively rigid insert located to provide a backing for the upper front teeth. The insert, which i... | 03/16/1976 |
